Static task
static1
Behavioral task
behavioral1
Sample
loader/loader.exe
Resource
win7-20240903-en
General
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Target
loader1.zip
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Size
34.5MB
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MD5
8425203f717d3b43aab69e2169e287e9
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SHA1
12db69a1426b083f47c0a206bf64a8e71cb901c1
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SHA256
ecf3a39be3f3a39e64df404c81739c27ca31bff1143e4ec286b4574a3fded52c
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SHA512
f6a61629d4c018ea50213fe8d0f11bf3862e4689926c66e3dbf41bc37ff7b94102ee533accc9b9aad9d59324ac3290847979da5776f586a549af11dfccddbdb6
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SSDEEP
786432:wELl1Qasqsztsl9dMYAmIvVoNcTgWmqqldMLJN+vAYxeeYyAy+he/8f46:wEcvm9d4bTTgWmqcddAycNf46
Malware Config
Signatures
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule static1/unpack001/loader/loader.exe net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/loader/loader.exe
Files
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loader1.zip.zip
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loader/loader.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 578B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.bss Size: 321KB - Virtual size: 321KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE